/* ============ 表页面公共样式：恒序基金会 ============ */
:root{
  --paper:#F7F3EA;
  --paper-dim:#EFE9DC;
  --ink:#1C1B17;
  --ink-soft:#4A473E;
  --muted:#8A8577;
  --pine:#2E5B4C;
  --pine-deep:#1F4036;
  --cinnabar:#B4452F;
  --hairline:rgba(28,27,23,.16);
  --head-bg:rgba(247,243,234,.92);
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--serif);-webkit-font-smoothing:antialiased;line-height:1.75}
::selection{background:var(--pine);color:var(--paper)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}

/* 顶部 */
.site-head{border-bottom:1px solid var(--hairline);position:sticky;top:0;background:var(--head-bg);backdrop-filter:blur(8px);z-index:50}
.head-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:14px}
.seal{width:40px;height:40px;flex:none;border:2px solid var(--cinnabar);border-radius:6px;display:grid;place-items:center;color:var(--cinnabar);font-weight:700;font-size:15px;line-height:1.05;transform:rotate(-2deg)}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.12em}
.brand-en{display:block;font-family:var(--sans);font-size:9.5px;letter-spacing:.34em;color:var(--muted);font-weight:400;margin-top:1px}
.nav{display:flex;gap:clamp(14px,2.4vw,32px);font-size:14.5px;letter-spacing:.08em}
.nav a{position:relative;padding:4px 0;color:var(--ink-soft);transition:color .25s}
.nav a:hover,.nav a.on{color:var(--pine)}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--pine);transition:width .3s}
.nav a:hover::after,.nav a.on::after{width:100%}
@media(max-width:820px){
  .nav{position:fixed;top:72px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--hairline);display:flex;flex-direction:column;padding:8px clamp(20px,4vw,48px) 18px;transform:translateY(-10px);opacity:0;pointer-events:none;transition:transform .22s,opacity .22s;z-index:49}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:12px 0;border-bottom:1px dashed var(--hairline);font-size:15px}
  .nav a:last-child{border-bottom:none}
}
.menu-btn{display:none;background:none;border:1px solid var(--hairline);border-radius:6px;width:38px;height:38px;cursor:pointer;flex:none;padding:0;place-items:center}
.menu-btn span{display:block;width:16px;height:1.6px;background:var(--ink);margin:2px 0;transition:all .25s}
.menu-btn.x span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.menu-btn.x span:nth-child(2){opacity:0}
.menu-btn.x span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}
@media(max-width:820px){.menu-btn{display:grid}}

/* Hero */
.hero{padding:clamp(72px,11vw,150px) 0 clamp(56px,8vw,110px);border-bottom:1px solid var(--hairline)}
.eyebrow{font-family:var(--sans);font-size:11.5px;letter-spacing:.42em;color:var(--pine);display:flex;align-items:center;gap:14px;margin-bottom:34px;font-weight:500}
.eyebrow::before{content:"";width:42px;height:1px;background:var(--pine)}
.hero h1{font-size:clamp(38px,7.2vw,88px);font-weight:700;line-height:1.28;letter-spacing:.02em;max-width:16em}
.hero h1 em{font-style:normal;color:var(--pine)}
.hero-sub{margin-top:38px;max-width:34em;color:var(--ink-soft);font-size:clamp(15px,1.5vw,17.5px)}
.hero-meta{margin-top:56px;display:flex;gap:clamp(28px,6vw,88px);flex-wrap:wrap;border-top:1px solid var(--hairline);padding-top:30px}
.stat b{display:block;font-size:clamp(26px,3.2vw,40px);font-weight:700;letter-spacing:.02em}
.stat b small{font-size:.5em;font-weight:400}
.stat span{font-family:var(--sans);font-size:12px;letter-spacing:.22em;color:var(--muted)}

/* 章节 */
section.block{padding:clamp(64px,9vw,120px) 0;border-bottom:1px solid var(--hairline)}
.sec-head{display:flex;align-items:baseline;gap:22px;margin-bottom:clamp(36px,5vw,64px)}
.sec-no{font-family:var(--sans);font-size:12px;letter-spacing:.3em;color:var(--cinnabar)}
.sec-title{font-size:clamp(26px,3.6vw,42px);font-weight:700;letter-spacing:.06em}
.sec-title small{font-family:var(--sans);font-size:11px;letter-spacing:.32em;color:var(--muted);margin-left:16px;font-weight:400}

/* 关于 */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,90px)}
@media(max-width:820px){.about-grid{grid-template-columns:1fr}}
.about-lede{font-size:clamp(18px,2.1vw,23px);line-height:2;font-weight:500}
.about-body{margin-top:26px;color:var(--ink-soft);font-size:15.5px}
.about-body p+p{margin-top:1.1em}
.motto{border-left:3px solid var(--pine);padding:6px 0 6px 26px;font-size:clamp(20px,2.4vw,27px);font-weight:700;line-height:1.9;letter-spacing:.04em;align-self:start;position:sticky;top:110px}
.motto small{display:block;font-family:var(--sans);font-weight:400;font-size:11px;letter-spacing:.3em;color:var(--muted);margin-top:14px}

/* 项目 */
.prog{border-top:1px solid var(--hairline)}
.prog-row{display:grid;grid-template-columns:90px 1fr 1.2fr auto;gap:clamp(18px,4vw,56px);align-items:baseline;padding:clamp(26px,3.6vw,42px) 0;border-bottom:1px solid var(--hairline);transition:background .3s}
.prog-row:hover{background:var(--paper-dim)}
.prog-idx{font-family:var(--sans);font-size:12px;letter-spacing:.2em;color:var(--muted)}
.prog-name{font-size:clamp(20px,2.6vw,30px);font-weight:700;letter-spacing:.04em}
.prog-name small{display:block;font-family:var(--sans);font-size:10.5px;letter-spacing:.26em;color:var(--pine);font-weight:500;margin-top:6px}
.prog-desc{color:var(--ink-soft);font-size:15px;max-width:38em}
.prog-tag{font-family:var(--sans);font-size:11px;letter-spacing:.18em;color:var(--cinnabar);white-space:nowrap}
@media(max-width:820px){.prog-row{grid-template-columns:1fr;gap:10px}}

/* 信息披露 */
.disc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hairline);border:1px solid var(--hairline)}
@media(max-width:820px){.disc-grid{grid-template-columns:1fr}}
.disc{background:var(--paper);padding:clamp(28px,3.4vw,44px)}
.disc h4{font-size:18px;letter-spacing:.06em;margin-bottom:14px}
.disc h4::before{content:"—";color:var(--cinnabar);margin-right:10px}
.disc p{font-size:14px;color:var(--ink-soft)}
.disc .yr{font-family:var(--sans);font-size:11px;letter-spacing:.26em;color:var(--muted);display:block;margin-bottom:16px}

/* 动态 */
.news-item{display:grid;grid-template-columns:150px 1fr;gap:clamp(16px,3vw,48px);padding:22px 0;border-bottom:1px solid var(--hairline);align-items:baseline}
.news-item time{font-family:var(--sans);font-size:12.5px;letter-spacing:.14em;color:var(--muted)}
.news-item h4{font-size:16.5px;font-weight:500;transition:color .25s}
.news-item:hover h4{color:var(--pine)}
.news-item h4::after{content:"→";margin-left:12px;color:var(--cinnabar);font-size:14px;opacity:0;transition:opacity .25s}
.news-item:hover h4::after{opacity:1}
.news-item p{grid-column:2;font-size:13.5px;color:var(--muted);margin-top:6px}

/* 内页头 */
.page-head{padding:clamp(56px,8vw,100px) 0 clamp(36px,5vw,60px);border-bottom:1px solid var(--hairline)}
.page-head h1{font-size:clamp(32px,5vw,58px);font-weight:700;letter-spacing:.04em;margin-top:26px}
.page-head .lead{margin-top:22px;max-width:36em;color:var(--ink-soft);font-size:clamp(15px,1.5vw,17px)}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th{font-family:var(--sans);font-size:11.5px;letter-spacing:.22em;color:var(--muted);font-weight:500;text-align:left;padding:12px 14px;border-bottom:1px solid var(--ink)}
.tbl td{padding:14px;border-bottom:1px solid var(--hairline);color:var(--ink-soft)}
.tbl td:first-child{color:var(--ink)}
.tbl tr:hover td{background:var(--paper-dim)}
.tbl .dl{color:var(--pine);cursor:pointer;white-space:nowrap}
.tbl .dl:hover{text-decoration:underline}

/* 时间线 */
.tl{border-left:2px solid var(--pine);margin-left:8px;padding-left:34px}
.tl-item{position:relative;padding-bottom:34px}
.tl-item::before{content:"";position:absolute;left:-42px;top:8px;width:12px;height:12px;background:var(--paper);border:2px solid var(--cinnabar);border-radius:50%}
.tl-item .yr{font-family:var(--sans);font-size:12px;letter-spacing:.26em;color:var(--cinnabar)}
.tl-item h4{font-size:18px;margin:6px 0}
.tl-item p{font-size:14px;color:var(--ink-soft);max-width:44em}

/* 加入我们 */
.join-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hairline);border:1px solid var(--hairline)}
@media(max-width:900px){.join-grid{grid-template-columns:1fr}}
.join-card{background:var(--paper);padding:clamp(28px,3.4vw,44px);display:flex;flex-direction:column}
.join-card h4{font-size:21px;letter-spacing:.05em;margin-bottom:4px}
.join-card .jc-en{font-family:var(--sans);font-size:10.5px;letter-spacing:.3em;color:var(--pine);margin-bottom:18px}
.join-card ul{list-style:none;font-size:14px;color:var(--ink-soft);flex:1}
.join-card li{padding:7px 0 7px 18px;position:relative;border-bottom:1px dashed var(--hairline)}
.join-card li::before{content:"·";position:absolute;left:2px;color:var(--cinnabar);font-weight:700}
.req-list{list-style:none;font-size:15px}
.req-list li{padding:12px 0 12px 26px;position:relative;border-bottom:1px dashed var(--hairline);color:var(--ink-soft)}
.req-list li::before{content:"—";position:absolute;left:0;color:var(--pine)}
.form{background:var(--paper-dim);border:1px solid var(--hairline);padding:clamp(28px,4vw,52px)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:700px){.f-row{grid-template-columns:1fr}}
.f-field{margin-bottom:22px}
.f-field label{display:block;font-family:var(--sans);font-size:11px;letter-spacing:.26em;color:var(--ink-soft);margin-bottom:8px}
.f-field input,.f-field select,.f-field textarea{width:100%;background:var(--paper);border:1px solid var(--hairline);font-family:var(--serif);font-size:15px;padding:11px 14px;color:var(--ink);outline:none}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{border-color:var(--pine)}
.f-btn{background:var(--ink);color:var(--paper);border:none;font-family:var(--serif);font-size:15px;letter-spacing:.4em;padding:14px 56px;cursor:pointer;transition:background .25s}
.f-btn:hover{background:var(--pine-deep)}
.f-done{display:none;padding:clamp(30px,4vw,50px);text-align:center}
.f-done h3{font-size:24px;letter-spacing:.1em;margin-bottom:16px;color:var(--pine)}
.f-done p{color:var(--ink-soft);font-size:15px}
.f-done .quiet{margin-top:18px;font-size:13px;color:var(--muted)}

/* CTA 横幅 */
.cta-band{padding:clamp(64px,9vw,110px) 0;text-align:center;border-bottom:1px solid var(--hairline);background:var(--paper-dim)}
.cta-band h2{font-size:clamp(24px,3.6vw,40px);font-weight:700;letter-spacing:.06em}
.cta-band p{margin:18px auto 34px;color:var(--ink-soft);max-width:30em;font-size:15px}
.cta-link{display:inline-block;border:1px solid var(--ink);padding:14px 58px;font-size:14.5px;letter-spacing:.34em;transition:all .25s}
.cta-link:hover{background:var(--pine-deep);border-color:var(--pine-deep);color:var(--paper)}

/* 页脚 */
.site-foot{padding:clamp(48px,7vw,88px) 0 40px}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:44px;border-bottom:1px solid var(--hairline)}
.foot-brand{max-width:300px}
.foot-brand p{font-size:13.5px;color:var(--muted);margin-top:16px}
.foot-col h5{font-family:var(--sans);font-size:11px;letter-spacing:.3em;color:var(--muted);margin-bottom:18px;font-weight:500}
.foot-col a{display:block;font-size:14px;color:var(--ink-soft);padding:4px 0;transition:color .25s}
.foot-col a:hover{color:var(--pine)}
.foot-base{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:26px;font-family:var(--sans);font-size:11.5px;letter-spacing:.1em;color:var(--muted)}
.backdoor{opacity:.28;transition:opacity .3s;letter-spacing:.2em;cursor:pointer;border:1px solid transparent;padding:2px 8px}
.backdoor:hover{opacity:.85;color:var(--pine)}

/* 登录弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(28,27,23,.55);backdrop-filter:blur(4px);display:none;place-items:center;z-index:900}
.modal-mask.on{display:grid}
.modal{width:min(420px,92vw);background:var(--paper);border:1px solid var(--ink);padding:40px 38px 34px;position:relative;box-shadow:8px 8px 0 rgba(28,27,23,.9);animation:mIn .28s ease-out}
@keyframes mIn{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.modal.shake{animation:shk .4s}
@keyframes shk{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-9px)}40%,80%{transform:translateX(9px)}}
.modal h3{font-size:20px;letter-spacing:.14em;display:flex;align-items:center;gap:12px}
.modal h3 .dot{width:8px;height:8px;background:var(--cinnabar);border-radius:50%}
.modal .m-sub{font-family:var(--sans);font-size:11px;letter-spacing:.28em;color:var(--muted);margin:8px 0 26px}
.m-field{margin-bottom:18px}
.m-field label{display:block;font-family:var(--sans);font-size:11px;letter-spacing:.26em;color:var(--ink-soft);margin-bottom:8px}
.m-field input{width:100%;background:transparent;border:none;border-bottom:1px solid var(--ink);font-family:var(--sans);font-size:15px;padding:8px 2px;color:var(--ink);outline:none;letter-spacing:.06em}
.m-field input:focus{border-bottom:2px solid var(--pine)}
.m-err{display:none;font-family:var(--sans);font-size:12px;color:var(--cinnabar);letter-spacing:.08em;margin:4px 0 10px}
.m-err.on{display:block}
.m-btn{width:100%;margin-top:10px;background:var(--ink);color:var(--paper);border:none;font-family:var(--serif);font-size:15px;letter-spacing:.4em;padding:13px 0;cursor:pointer;transition:background .25s}
.m-btn:hover{background:var(--pine-deep)}
.m-close{position:absolute;top:14px;right:16px;font-family:var(--sans);font-size:18px;color:var(--muted);cursor:pointer;background:none;border:none}
.m-close:hover{color:var(--ink)}

/* 404 覆盖层 */
.page-404{position:fixed;inset:0;z-index:800;background:var(--paper);display:none;place-items:center;text-align:center;padding:80px 20px}
.page-404.on{display:grid}
.page-404 .code{font-size:clamp(90px,18vw,200px);font-weight:700;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--ink);letter-spacing:.04em}
.page-404 h2{font-size:clamp(18px,2.4vw,26px);margin:28px 0 12px;letter-spacing:.1em}
.page-404 p{color:var(--muted);font-size:14.5px;font-family:var(--sans);letter-spacing:.06em}
.page-404 .home-link{display:inline-block;margin-top:36px;border:1px solid var(--ink);padding:12px 42px;font-size:14px;letter-spacing:.3em;transition:all .25s}
.page-404 .home-link:hover{background:var(--ink);color:var(--paper)}

/* ===== 补缺：与旧内联样式对齐 ===== */
.seal{font-family:var(--serif);letter-spacing:0}
.prog-row{cursor:default}

/* 首页四版块速览 teaser */
.disc-grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.disc-grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.disc-grid-4{grid-template-columns:1fr}}

/* 加入我们页 */
.join-grid{margin-top:clamp(40px,5vw,64px)}
.join-note{margin-top:clamp(40px,5vw,64px);font-size:15px;color:var(--ink-soft);max-width:44em}
.join-note b{color:var(--ink)}

/* ===== 详情页与信息公开扩展（2026-09 增补） ===== */
a.prog-row,a.news-item{text-decoration:none;color:inherit}
.prog-row .prog-name::after{content:"→";margin-left:12px;color:var(--cinnabar);font-size:.6em;opacity:0;transition:opacity .25s}
.prog-row:hover .prog-name::after{opacity:1}
.back-link{display:inline-block;font-family:var(--sans);font-size:11.5px;letter-spacing:.22em;color:var(--pine);margin-top:clamp(28px,4vw,44px);text-decoration:none}
.back-link:hover{text-decoration:underline}
.sub-sec{margin-top:clamp(44px,6vw,72px)}
.sub-sec h3{font-family:var(--sans);font-size:11.5px;letter-spacing:.26em;color:var(--muted);font-weight:500;margin-bottom:18px}
.page-head h1 small{display:block;font-family:var(--sans);font-size:12px;letter-spacing:.3em;color:var(--pine);font-weight:500;margin-top:14px}
.don-hint{font-size:12.5px;color:var(--muted);margin-top:16px}
.don-err{color:var(--cinnabar);font-size:13.5px;margin-top:16px}
.don-result{margin-top:22px}

/* ===== 工作团队（Wave 2） ===== */
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--hairline);border:1px solid var(--hairline)}
@media(max-width:900px){.team-grid{grid-template-columns:1fr}}
.team-card{background:var(--paper);padding:clamp(28px,3.4vw,44px)}
.team-card h4{font-size:22px;letter-spacing:.08em}
.tc-role{font-family:var(--sans);font-size:10.5px;letter-spacing:.26em;color:var(--pine);margin:6px 0 18px}
.team-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.9}
.team-card p + p{margin-top:12px}
.tc-quote{color:var(--ink);font-size:14px;border-left:2px solid var(--cinnabar);padding-left:14px}
.tc-join{background:var(--paper-dim)}

/* ===== 暗色主题（Wave 3） ===== */
[data-theme="dark"]{
  --paper:#171613;
  --paper-dim:#211F19;
  --ink:#EDE7D9;
  --ink-soft:#C9C2B3;
  --muted:#8A8577;
  --pine:#7BAE9B;
  --pine-deep:#93C3B0;
  --cinnabar:#D4694F;
  --hairline:rgba(237,231,217,.18);
  --head-bg:rgba(23,22,19,.92);
}
html{transition:background-color .3s}
body{transition:background-color .3s,color .3s}

/* 主题切换按钮 */
.theme-btn{background:none;border:1px solid var(--hairline);color:var(--ink);font-size:14px;line-height:1;width:34px;height:34px;border-radius:50%;cursor:pointer;transition:all .25s;flex:none}
.theme-btn:hover{border-color:var(--pine);color:var(--pine)}

/* 语言选择 */
.lang-btn{background:none;border:1px solid var(--hairline);color:var(--ink-soft);font-family:var(--sans);font-size:12px;letter-spacing:.08em;padding:7px 14px;border-radius:17px;cursor:pointer;transition:all .25s;flex:none;white-space:nowrap}
.lang-btn:hover{border-color:var(--pine);color:var(--pine)}
.lang-mask{position:fixed;inset:0;background:rgba(20,19,16,.5);display:none;align-items:flex-start;justify-content:center;z-index:960;padding:10vh 20px 20px}
.lang-mask.on{display:flex}
.lang-panel{background:var(--paper);border:1px solid var(--hairline);width:min(520px,100%);max-height:72vh;display:flex;flex-direction:column}
.lang-search{margin:18px 18px 12px;background:var(--paper-dim);border:1px solid var(--hairline);padding:10px 14px;font-family:var(--sans);font-size:14px;color:var(--ink);outline:none}
.lang-search:focus{border-color:var(--pine)}
.lang-list{overflow-y:auto;padding:0 18px 18px}
.lang-item{display:flex;justify-content:space-between;padding:9px 6px;font-size:14.5px;cursor:pointer;border-bottom:1px dashed var(--hairline);color:var(--ink-soft)}
.lang-item:hover{color:var(--pine)}
.lang-item .lc{font-family:var(--sans);font-size:11px;color:var(--muted)}
.lang-item.cur{color:var(--cinnabar)}
.lang-note{padding:0 18px 16px;font-size:12px;color:var(--muted)}

/* OC 免责声明 */
.oc-disclaimer{margin-top:38px;font-family:var(--sans);font-size:10px;line-height:1.8;color:var(--muted);opacity:.55;letter-spacing:.02em}

/* ===== 移动端适配增补（Wave 3.1） ===== */
@media(max-width:820px){
  .motto{position:static;margin-top:34px}
  .sub-sec{overflow-x:auto}
  .sub-sec .tbl{min-width:520px}
  .head-in{gap:10px}
  .brand-name{font-size:16px;letter-spacing:.08em}
  .brand-en{display:none}
  .hero h1{word-break:keep-all}
  .stat b{font-size:clamp(22px,7vw,30px)}
  .modal{padding:30px 24px 26px}
  .f-btn{padding:14px 34px;letter-spacing:.28em}
  .join-note,.oc-disclaimer{font-size:10px}
  .sec-head{margin-bottom:26px}
  .foot-base{flex-direction:column;gap:8px;align-items:flex-start}
  .theme-btn,.lang-btn{width:32px;height:32px;font-size:11px;padding:0}
  .lang-btn{width:auto;padding:0 10px}
}